The reason for adding six minutes of footage to the 2010 re-release of *Avatar* was mainly to:
* Capitalize on the film's immense popularity and box office success. The film had become a cultural phenomenon and was still breaking records. Re-releasing it with extra footage offered fans a reason to see it again in theaters, boosting revenue.
* Enhance the visual effects and storytelling. While not a significant amount of new footage, the six minutes included some previously unused scenes that were considered too expensive or time-consuming to include in the original release. These scenes often showcased better visual effects or provided additional insight into the characters and world.
The re-release was a financial success, proving the strategy of adding new content to re-energize interest in a popular film.
However, it's important to note that the 2010 re-release added roughly eight minutes, not six minutes, of new footage.